```html
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    <title>TCPView - Windows网络连接监控利器 | Sysinternals工具详解</title>
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        .border-gradient {
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    </style>
</head>
<body>
    <!-- Hero Section -->
    <section class="hero-gradient text-white">
        <div class="container mx-auto px-6 py-24">
            <div class="max-w-4xl mx-auto text-center">
                <div class="flex justify-center mb-6">
                    <div class="bg-white bg-opacity-20 rounded-full p-2">
                        <i class="fas fa-network-wired text-3xl"></i>
                    </div>
                </div>
                <h1 class="text-4xl md:text-5xl font-bold mb-6 font-serif">TCPView</h1>
                <p class="text-xl md:text-2xl mb-8 font-medium opacity-90">微软Sysinternals出品的网络连接监控利器</p>
                <p class="text-lg md:text-xl mb-10 opacity-80 max-w-2xl mx-auto">实时监控Windows系统中的TCP/UDP连接，快速诊断网络问题，排查端口冲突，识别可疑行为</p>
                <div class="flex flex-col sm:flex-row justify-center gap-4">
                    <a href="https://learn.microsoft.com/en-us/sysinternals/downloads/tcpview" target="_blank" class="bg-white text-blue-800 hover:bg-blue-50 font-semibold px-8 py-3 rounded-lg transition-all duration-300 transform hover:scale-105 shadow-lg">
                        <i class="fas fa-download mr-2"></i> 立即下载
                    </a>
                    <a href="#features" class="bg-transparent border-2 border-white hover:bg-white hover:bg-opacity-10 font-semibold px-8 py-3 rounded-lg transition-all duration-300">
                        <i class="fas fa-info-circle mr-2"></i> 了解更多
                    </a>
                </div>
            </div>
        </div>
    </section>

    <!-- Screenshot Preview -->
    <section class="py-16 bg-white">
        <div class="container mx-auto px-6">
            <div class="max-w-6xl mx-auto">
                <div class="rounded-xl overflow-hidden shadow-2xl border-4 border-gray-200">
                    <img src="https://cdn.nlark.com/yuque/0/2025/png/21449790/1751708530851-e4fa0911-3187-4b80-8998-23050cdd7253.png" alt="TCPView界面截图" class="w-full h-auto">
                </div>
            </div>
        </div>
    </section>

    <!-- Core Features -->
    <section id="features" class="py-20 bg-gray-50">
        <div class="container mx-auto px-6">
            <div class="max-w-4xl mx-auto text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-6 text-gray-800 font-serif">核心功能概览</h2>
                <p class="text-lg text-gray-600">TCPView提供了Windows系统网络连接的全面可视化监控能力</p>
            </div>
            
            <div class="grid md:grid-cols-2 lg:grid-cols-3 gap-8">
                <!-- Feature 1 -->
                <div class="bg-white rounded-xl p-6 card-hover">
                    <div class="feature-icon rounded-lg flex items-center justify-center text-white mb-4">
                        <i class="fas fa-bolt text-xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">实时连接监控</h3>
                    <p class="text-gray-600">动态显示所有活动的TCP和UDP连接及其状态(ESTABLISHED, LISTENING等)，实时监控网络通信活动。</p>
                </div>
                
                <!-- Feature 2 -->
                <div class="bg-white rounded-xl p-6 card-hover">
                    <div class="feature-icon rounded-lg flex items-center justify-center text-white mb-4">
                        <i class="fas fa-search text-xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">进程关联识别</h3>
                    <p class="text-gray-600">清晰列出每个连接对应的进程名称和PID(进程ID)，快速定位占用端口的应用程序。</p>
                </div>
                
                <!-- Feature 3 -->
                <div class="bg-white rounded-xl p-6 card-hover">
                    <div class="feature-icon rounded-lg flex items-center justify-center text-white mb-4">
                        <i class="fas fa-info-circle text-xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">详细网络信息</h3>
                    <p class="text-gray-600">提供本地和远程IP地址及端口号，便于追踪通信双方的详细信息。</p>
                </div>
                
                <!-- Feature 4 -->
                <div class="bg-white rounded-xl p-6 card-hover">
                    <div class="feature-icon rounded-lg flex items-center justify-center text-white mb-4">
                        <i class="fas fa-cog text-xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">连接/进程管理</h3>
                    <p class="text-gray-600">可直接关闭特定网络连接或终止相关进程，有效解决端口占用冲突问题。</p>
                </div>
                
                <!-- Feature 5 -->
                <div class="bg-white rounded-xl p-6 card-hover">
                    <div class="feature-icon rounded-lg flex items-center justify-center text-white mb-4">
                        <i class="fas fa-filter text-xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">灵活筛选与排序</h3>
                    <p class="text-gray-600">支持按端口、协议、进程等多种条件进行筛选和排序，快速定位目标信息。</p>
                </div>
                
                <!-- Feature 6 -->
                <div class="bg-white rounded-xl p-6 card-hover">
                    <div class="feature-icon rounded-lg flex items-center justify-center text-white mb-4">
                        <i class="fas fa-shield-alt text-xl"></i>
                    </div>
                    <h3 class="text-xl font-bold mb-3 text-gray-800">安全审计功能</h3>
                    <p class="text-gray-600">识别未知进程的异常网络连接，检测潜在的恶意软件或未经授权的网络活动。</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Use Cases -->
    <section class="py-20 bg-white">
        <div class="container mx-auto px-6">
            <div class="max-w-4xl mx-auto text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-6 text-gray-800 font-serif">典型使用场景</h2>
                <p class="text-lg text-gray-600">TCPView能解决多种Windows网络相关问题的理想工具</p>
            </div>
            
            <div class="grid md:grid-cols-2 gap-8 max-w-5xl mx-auto">
                <!-- Use Case 1 -->
                <div class="bg-gray-50 rounded-xl p-8 border-l-4 border-blue-500">
                    <div class="flex items-start mb-4">
                        <div class="bg-blue-100 text-blue-600 rounded-full p-3 mr-4">
                            <i class="fas fa-plug text-xl"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold text-gray-800">解决端口占用错误</h3>
                            <p class="text-gray-600 mt-2">当开发服务启动失败并提示端口被占用时，TCPView能迅速指出是哪个程序在占用端口，帮助你快速释放端口资源。</p>
                        </div>
                    </div>
                </div>
                
                <!-- Use Case 2 -->
                <div class="bg-gray-50 rounded-xl p-8 border-l-4 border-purple-500">
                    <div class="flex items-start mb-4">
                        <div class="bg-purple-100 text-purple-600 rounded-full p-3 mr-4">
                            <i class="fas fa-bug text-xl"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold text-gray-800">网络应用故障排除</h3>
                            <p class="text-gray-600 mt-2">分析应用程序的网络行为是否符合预期，检查程序是否监听了正确的端口，或是否与错误的远程地址建立了连接。</p>
                        </div>
                    </div>
                </div>
                
                <!-- Use Case 3 -->
                <div class="bg-gray-50 rounded-xl p-8 border-l-4 border-amber-500">
                    <div class="flex items-start mb-4">
                        <div class="bg-amber-100 text-amber-600 rounded-full p-3 mr-4">
                            <i class="fas fa-eye text-xl"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold text-gray-800">安全审计与检测</h3>
                            <p class="text-gray-600 mt-2">发现未知进程的异常网络连接，识别潜在的恶意软件或未经授权的网络活动，了解电脑的网络流量流向。</p>
                        </div>
                    </div>
                </div>
                
                <!-- Use Case 4 -->
                <div class="bg-gray-50 rounded-xl p-8 border-l-4 border-green-500">
                    <div class="flex items-start mb-4">
                        <div class="bg-green-100 text-green-600 rounded-full p-3 mr-4">
                            <i class="fas fa-server text-xl"></i>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold text-gray-800">服务器监控</h3>
                            <p class="text-gray-600 mt-2">监控服务器的网络连接状态，确保服务正常运行，及时发现异常连接或未经授权的访问尝试。</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Advantages -->
    <section class="py-20 bg-gray-50">
        <div class="container mx-auto px-6">
            <div class="max-w-5xl mx-auto">
                <div class="bg-white rounded-xl shadow-sm p-8 md:p-12">
                    <div class="text-center mb-12">
                        <h2 class="text-3xl md:text-4xl font-bold mb-6 text-gray-800 font-serif">TCPView的独特优势</h2>
                        <p class="text-lg text-gray-600 max-w-3xl mx-auto">为何选择TCPView作为您的网络连接监控工具？</p>
                    </div>
                    
                    <div class="grid md:grid-cols-3 gap-8">
                        <div class="text-center">
                            <div class="bg-blue-50 text-blue-600 rounded-full w-16 h-16 flex items-center justify-center mx-auto mb-4">
                                <i class="fas fa-check-circle text-2xl"></i>
                            </div>
                            <h3 class="text-xl font-bold mb-2 text-gray-800">微软官方维护</h3>
                            <p class="text-gray-600">由微软Sysinternals团队开发和维护，保证工具的可靠性和兼容性</p>
                        </div>
                        
                        <div class="text-center">
                            <div class="bg-green-50 text-green-600 rounded-full w-16 h-16 flex items-center justify-center mx-auto mb-4">
                                <i class="fas fa-gem text-2xl"></i>
                            </div>
                            <h3 class="text-xl font-bold mb-2 text-gray-800">完全免费</h3>
                            <p class="text-gray-600">无任何收费功能或高级版本，下载即用，无使用门槛</p>
                        </div>
                        
                        <div class="text-center">
                            <div class="bg-amber-50 text-amber-600 rounded-full w-16 h-16 flex items-center justify-center mx-auto mb-4">
                                <i class="fas fa-rocket text-2xl"></i>
                            </div>
                            <h3 class="text-xl font-bold mb-2 text-gray-800">高效便捷</h3>
                            <p class="text-gray-600">相比命令行工具netstat，提供直观图形界面和实时更新</p>
                        </div>
                    </div>
                    
                    <div class="mt-12 pt-8 border-t border-gray-200">
                        <div class="flex flex-col md:flex-row items-center justify-between">
                            <div class="mb-4 md:mb-0">
                                <h3 class="text-xl font-bold text-gray-800">准备好开始使用TCPView了吗？</h3>
                                <p class="text-gray-600">下载并运行，即刻掌握系统网络连接状态</p>
                            </div>
                            <a href="https://learn.microsoft.com/en-us/sysinternals/downloads/tcpview" target="_blank" class="bg-blue-600 hover:bg-blue-700 text-white font-semibold px-6 py-3 rounded-lg transition-all duration-300 transform hover:scale-105 shadow-md">
                                <i class="fas fa-download mr-2"></i> 立即下载
                            </a>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Getting Started -->
    <section class="py-20 bg-white">
        <div class="container mx-auto px-6">
            <div class="max-w-4xl mx-auto">
                <h2 class="text-3xl md:text-4xl font-bold mb-12 text-center text-gray-800 font-serif">快速上手指南</h2>
                
                <div class="space-y-8">
                    <!-- Step 1 -->
                    <div class="flex flex-col md:flex-row gap-6">
                        <div class="flex-shrink-0">
                            <div class="bg-blue-600 text-white rounded-full w-12 h-12 flex items-center justify-center text-xl font-bold">1</div>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold mb-3 text-gray-800">下载TCPView</h3>
                            <p class="text-gray-600">访问微软Sysinternals官网，下载Tcpview.zip文件。该工具完全免费，无需注册或订阅。</p>
                        </div>
                    </div>
                    
                    <!-- Step 2 -->
                    <div class="flex flex-col md:flex-row gap-6">
                        <div class="flex-shrink-0">
                            <div class="bg-blue-600 text-white rounded-full w-12 h-12 flex items-center justify-center text-xl font-bold">2</div>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold mb-3 text-gray-800">解压文件</h3>
                            <p class="text-gray-600">将下载的压缩包解压到您喜欢的任意目录。TCPView是绿色软件，无需安装即可使用。</p>
                        </div>
                    </div>
                    
                    <!-- Step 3 -->
                    <div class="flex flex-col md:flex-row gap-6">
                        <div class="flex-shrink-0">
                            <div class="bg-blue-600 text-white rounded-full w-12 h-12 flex items-center justify-center text-xl font-bold">3</div>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold mb-3 text-gray-800">运行程序</h3>
                            <p class="text-gray-600">双击Tcpview.exe可执行文件启动程序。首次运行时可能需要接受用户账户控制(UAC)提示。</p>
                        </div>
                    </div>
                    
                    <!-- Step 4 -->
                    <div class="flex flex-col md:flex-row gap-6">
                        <div class="flex-shrink-0">
                            <div class="bg-blue-600 text-white rounded-full w-12 h-12 flex items-center justify-center text-xl font-bold">4</div>
                        </div>
                        <div>
                            <h3 class="text-xl font-bold mb-3 text-gray-800">开始使用</h3>
                            <p class="text-gray-600">界面会自动刷新显示所有网络活动。您可以点击列头排序，或右键点击任何一行选择"End Process"来终止相应程序。</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Data Visualization -->
    <section class="py-20 bg-gray-50">
        <div class="container mx-auto px-6">
            <div class="max-w-4xl mx-auto text-center mb-16">
                <h2 class="text-3xl md:text-4xl font-bold mb-6 text-gray-800 font-serif">TCPView功能关系图</h2>
                <p class="text-lg text-gray-600">可视化展示TCPView的核心功能及其相互关系</p>
            </div>
            
            <div class="bg-white rounded-xl p-6 shadow-sm">
                <div class="mermaid">
                    graph TD
                    A[TCPView] --> B[实时连接监控]
                    A --> C[进程关联识别]
                    A --> D[详细网络信息]
                    A --> E[连接/进程管理]
                    A --> F[灵活筛选排序]
                    
                    B --> G[TCP连接]
                    B --> H[UDP连接]
                    B --> I[连接状态]
                    
                    C --> J[进程名称]
                    C --> K[进程ID]
                    
                    D --> L[本地IP:端口]
                    D --> M[远程IP:端口]
                    
                    E --> N[结束连接]
                    E --> O[终止进程]
                    
                    F --> P[按端口筛选]
                    F --> Q[按协议筛选]
                    F --> R[按进程筛选]
                    
                    style A fill:#1e40af,color:#fff,stroke-width:2px,stroke:#1e3a8a
                    style B fill:#3b82f6,color:#fff
                    style C fill:#3b82f6,color:#fff
                    style D fill:#3b82f6,color:#fff
                    style E fill:#3b82f6,color:#fff
                    style F fill:#3b82f6,color:#fff
                </div>
            </div>
        </div>
    </section>

    <script>
        mermaid.initialize({
            startOnLoad: true,
            theme: 'default',
            flowchart: {
                useMaxWidth: true,
                htmlLabels: true,
                curve: 'basis'
            }
        });
    </script>
</body>
</html>
```